null device 1 One Sample t-test data: Rmean t = 354.2, df = 365, p-value < 2.2e-16 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: 28.18378 28.49847 sample estimates: mean of x 28.34113 null device 1 One-sample Kolmogorov-Smirnov test data: Rmean D = 1, p-value < 2.2e-16 alternative hypothesis: two-sided Shapiro-Wilk normality test data: Rmean W = 0.91897, p-value = 3.768e-13 $stats 2 70 171 263 248 25.46471 26.85625 28.88199 29.55000 31.01765 $n [1] 366 $conf [1] 28.65951 29.10446 $out named numeric(0) null device 1 null device 1 null device 1 null device 1 One Sample t-test data: Rmean t = 354.2, df = 365, p-value < 2.2e-16 alternative hypothesis: true mean is not equal to 0 95 percent confidence interval: 28.18378 28.49847 sample estimates: mean of x 28.34113 null device 1